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									<td colspan="2" style="text-align: center"><span>P0147-</span>
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									<td style="width: 17%; text-align: center">学院 : 大数据学院</td>
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															<div id="exampaper-desc" class="exampaper-filter"><span class="exampaper-filter-item efi-qt-all efi-selected">全部[<span class="efi-tno">40</span>]<span class="efi-qcode" style="display:none;">qt-all</span></span><span class="exampaper-filter-item efi-qt-singlechoice">单选题[<span class="efi-tno">20</span>]<span class="efi-qcode" style="display:none;">qt-singlechoice</span></span><span class="exampaper-filter-item efi-qt-multiplechoice">多选题[<span class="efi-tno">10</span>]<span class="efi-qcode" style="display:none;">qt-multiplechoice</span></span><span class="exampaper-filter-item efi-qt-trueorfalse">判断题[<span class="efi-tno">10</span>]<span class="efi-qcode" style="display:none;">qt-trueorfalse</span></span></div>
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																<span>试卷总分：</span><span id="exampaper-total-point" style="margin-right: 20px;">100</span>
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														<!-- 开始加载试卷 -->
														
															
																
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																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">1.</span><span class="question-type" style="display: none;">singlechoice</span><span>[单选题]</span><span class="question-point-content"><span>(</span><span class="question-point">3</span><span>分)</span></span><span class="question-id" style="display: none;">51966c38cd384911bf3147f0097846d6</span>
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																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>大数据：已知单层神经网络的二进制输入x1,x2∈{0,1}和输出 hΘ(x)，当权重不同时，可以表示不同的逻辑运算，则以下表达式为逻辑或的是</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_51966c38cd384911bf3147f0097846d6" class="question-input"> -->
																						<span class="question-li-text">A: 
																								h(x)=g(-25+15x1+15x2)
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_51966c38cd384911bf3147f0097846d6" class="question-input"> -->
																						<span class="question-li-text">B: 
																								h(x)=g(-10+15x1+15x2)
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_51966c38cd384911bf3147f0097846d6" class="question-input"> -->

																						<span class="question-li-text">C: 
																								h(x)=g(-30+20x1)
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_51966c38cd384911bf3147f0097846d6" class="question-input"> -->

																						<span class="question-li-text">D: 
																								h(x)=g(-20+10x1+15x2)
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span> <span class="answer_value">
																					
																						B
																					 
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span> 
																							
																						 
																					</span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							B
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
																
																
															
														
															
																
																	<!-- 单选 -->
																	<li class="question qt-singlechoice" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">2.</span><span class="question-type" style="display: none;">singlechoice</span><span>[单选题]</span><span class="question-point-content"><span>(</span><span class="question-point">3</span><span>分)</span></span><span class="question-id" style="display: none;">5c36a219f3254b639caa0168b4b1c82f</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>如果神经网络，有两个输入x1,x2∈{0,1} 和输出hΘ(x)=g(-30+20x1+20x2).下面选项中哪一个是它表达的逻辑关系？</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_5c36a219f3254b639caa0168b4b1c82f" class="question-input"> -->
																						<span class="question-li-text">A: 
																								NOT(逻辑非)
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_5c36a219f3254b639caa0168b4b1c82f" class="question-input"> -->
																						<span class="question-li-text">B: 
																								AND (逻辑与)
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_5c36a219f3254b639caa0168b4b1c82f" class="question-input"> -->

																						<span class="question-li-text">C: 
																								OR (逻辑或)
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_5c36a219f3254b639caa0168b4b1c82f" class="question-input"> -->

																						<span class="question-li-text">D: 
																								XOR (逻辑异或)
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span> <span class="answer_value">
																					
																						B
																					 
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span> 
																							
																						 
																					</span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							B
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
																
																
															
														
															
																
																	<!-- 单选 -->
																	<li class="question qt-singlechoice" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">3.</span><span class="question-type" style="display: none;">singlechoice</span><span>[单选题]</span><span class="question-point-content"><span>(</span><span class="question-point">3</span><span>分)</span></span><span class="question-id" style="display: none;">74be7249ce37475f8f6df0e97b05230d</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>神经网络一般有输入层、隐藏层和()构成</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_74be7249ce37475f8f6df0e97b05230d" class="question-input"> -->
																						<span class="question-li-text">A: 
																								输入层
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_74be7249ce37475f8f6df0e97b05230d" class="question-input"> -->
																						<span class="question-li-text">B: 
																								输出层
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_74be7249ce37475f8f6df0e97b05230d" class="question-input"> -->

																						<span class="question-li-text">C: 
																								隐藏层
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_74be7249ce37475f8f6df0e97b05230d" class="question-input"> -->

																						<span class="question-li-text">D: 
																								多级层
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span> <span class="answer_value">
																					
																						B
																					 
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span> 
																							
																						 
																					</span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							B
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
																
																
															
														
															
																
																	<!-- 单选 -->
																	<li class="question qt-singlechoice" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">4.</span><span class="question-type" style="display: none;">singlechoice</span><span>[单选题]</span><span class="question-point-content"><span>(</span><span class="question-point">3</span><span>分)</span></span><span class="question-id" style="display: none;">db80344a908242adbb8d21deadbe0b49</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>以下不是解决高方差/过拟合现象的措施是（）</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_db80344a908242adbb8d21deadbe0b49" class="question-input"> -->
																						<span class="question-li-text">A: 
																								获得更多的训练实例
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_db80344a908242adbb8d21deadbe0b49" class="question-input"> -->
																						<span class="question-li-text">B: 
																								尝试减少特征的数量
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_db80344a908242adbb8d21deadbe0b49" class="question-input"> -->

																						<span class="question-li-text">C: 
																								尝试增加正则化程度λ
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_db80344a908242adbb8d21deadbe0b49" class="question-input"> -->

																						<span class="question-li-text">D: 
																								尝试减少正则化程度λ
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span> <span class="answer_value">
																					
																						D
																					 
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span> 
																							
																						 
																					</span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							D
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
																
																
															
														
															
																
																	<!-- 单选 -->
																	<li class="question qt-singlechoice" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">5.</span><span class="question-type" style="display: none;">singlechoice</span><span>[单选题]</span><span class="question-point-content"><span>(</span><span class="question-point">3</span><span>分)</span></span><span class="question-id" style="display: none;">7bcdb29ed1384c00a43c05cadc6a0e48</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>当数据集特征量在1-1000之间，训练样本数量中等，（在10-10000之间），通常使用哪种核函数的SVM</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_7bcdb29ed1384c00a43c05cadc6a0e48" class="question-input"> -->
																						<span class="question-li-text">A: 
																								逻辑回归模型
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_7bcdb29ed1384c00a43c05cadc6a0e48" class="question-input"> -->
																						<span class="question-li-text">B: 
																								不带核的支持向量机
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_7bcdb29ed1384c00a43c05cadc6a0e48" class="question-input"> -->

																						<span class="question-li-text">C: 
																								高斯核的支持向量机
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_7bcdb29ed1384c00a43c05cadc6a0e48" class="question-input"> -->

																						<span class="question-li-text">D: 
																								多项式核的支持向量机
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span> <span class="answer_value">
																					
																						C
																					 
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span> 
																							
																						 
																					</span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							C
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
																
																
															
														
															
																
																	<!-- 单选 -->
																	<li class="question qt-singlechoice" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">6.</span><span class="question-type" style="display: none;">singlechoice</span><span>[单选题]</span><span class="question-point-content"><span>(</span><span class="question-point">3</span><span>分)</span></span><span class="question-id" style="display: none;">9af7e94779714ab2910fcb209c64b0d4</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>假设z=3xy+4x+5y+6，求z对y的偏导</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_9af7e94779714ab2910fcb209c64b0d4" class="question-input"> -->
																						<span class="question-li-text">A: 
																								3x+5
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_9af7e94779714ab2910fcb209c64b0d4" class="question-input"> -->
																						<span class="question-li-text">B: 
																								3x+5+4x
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_9af7e94779714ab2910fcb209c64b0d4" class="question-input"> -->

																						<span class="question-li-text">C: 
																								3x+5+4x+6
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_9af7e94779714ab2910fcb209c64b0d4" class="question-input"> -->

																						<span class="question-li-text">D: 
																								3x
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span> <span class="answer_value">
																					
																						A
																					 
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span> 
																							
																						 
																					</span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							A
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
																
																
															
														
															
																
																	<!-- 单选 -->
																	<li class="question qt-singlechoice" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">7.</span><span class="question-type" style="display: none;">singlechoice</span><span>[单选题]</span><span class="question-point-content"><span>(</span><span class="question-point">3</span><span>分)</span></span><span class="question-id" style="display: none;">186a4ebaf0554be59d54a5916293b39f</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>假设有两个向量u=[[5],[7]]，v=[[3],[9]]，求向量u和向量v的内积</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_186a4ebaf0554be59d54a5916293b39f" class="question-input"> -->
																						<span class="question-li-text">A: 
																								78
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_186a4ebaf0554be59d54a5916293b39f" class="question-input"> -->
																						<span class="question-li-text">B: 
																								35
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_186a4ebaf0554be59d54a5916293b39f" class="question-input"> -->

																						<span class="question-li-text">C: 
																								27
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_186a4ebaf0554be59d54a5916293b39f" class="question-input"> -->

																						<span class="question-li-text">D: 
																								63
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span> <span class="answer_value">
																					
																						A
																					 
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span> 
																							
																						 
																					</span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							A
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
																
																
															
														
															
																
																	<!-- 单选 -->
																	<li class="question qt-singlechoice" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">8.</span><span class="question-type" style="display: none;">singlechoice</span><span>[单选题]</span><span class="question-point-content"><span>(</span><span class="question-point">3</span><span>分)</span></span><span class="question-id" style="display: none;">cf651b0d51f841dd9b04c88400a704e8</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>高斯核函数的取值范围为</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_cf651b0d51f841dd9b04c88400a704e8" class="question-input"> -->
																						<span class="question-li-text">A: 
																								(0,1]
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_cf651b0d51f841dd9b04c88400a704e8" class="question-input"> -->
																						<span class="question-li-text">B: 
																								(-1,1]
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_cf651b0d51f841dd9b04c88400a704e8" class="question-input"> -->

																						<span class="question-li-text">C: 
																								(-1,0]
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_cf651b0d51f841dd9b04c88400a704e8" class="question-input"> -->

																						<span class="question-li-text">D: 
																								(0,2]
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span> <span class="answer_value">
																					
																						A
																					 
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span> 
																							
																						 
																					</span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							A
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
																
																
															
														
															
																
																	<!-- 单选 -->
																	<li class="question qt-singlechoice" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">9.</span><span class="question-type" style="display: none;">singlechoice</span><span>[单选题]</span><span class="question-point-content"><span>(</span><span class="question-point">3</span><span>分)</span></span><span class="question-id" style="display: none;">fefcaba67d3c40259d9621dd06d5f4c3</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>已知一个数据集，n为特征数，m为训练样本数，如果n较小，而m较大（例如n在1-1000之间，而m大于5000）则使用支持向量机会非常慢。以下解决方案中，正确的个数为
1.创造或增加更多的特征
2.创造或增加更多的特征后，使用逻辑回归模型
3.创造或增加更多的特征后，使用不带核函数的支持向量机
4.使用高斯核函数支持向量机</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_fefcaba67d3c40259d9621dd06d5f4c3" class="question-input"> -->
																						<span class="question-li-text">A: 
																								1
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_fefcaba67d3c40259d9621dd06d5f4c3" class="question-input"> -->
																						<span class="question-li-text">B: 
																								2
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_fefcaba67d3c40259d9621dd06d5f4c3" class="question-input"> -->

																						<span class="question-li-text">C: 
																								3
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_fefcaba67d3c40259d9621dd06d5f4c3" class="question-input"> -->

																						<span class="question-li-text">D: 
																								4
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span> <span class="answer_value">
																					
																						C
																					 
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span> 
																							
																						 
																					</span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							C
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
																
																
															
														
															
																
																	<!-- 单选 -->
																	<li class="question qt-singlechoice" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">10.</span><span class="question-type" style="display: none;">singlechoice</span><span>[单选题]</span><span class="question-point-content"><span>(</span><span class="question-point">3</span><span>分)</span></span><span class="question-id" style="display: none;">3385cf456fa64afaa51147363ba09f44</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>有方程z=3xy+4x+5y+6，z对y的偏导等于</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_3385cf456fa64afaa51147363ba09f44" class="question-input"> -->
																						<span class="question-li-text">A: 
																								3x+5
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_3385cf456fa64afaa51147363ba09f44" class="question-input"> -->
																						<span class="question-li-text">B: 
																								3x+5+4x
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_3385cf456fa64afaa51147363ba09f44" class="question-input"> -->

																						<span class="question-li-text">C: 
																								3x+5+4x+6
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_3385cf456fa64afaa51147363ba09f44" class="question-input"> -->

																						<span class="question-li-text">D: 
																								3x
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span> <span class="answer_value">
																					
																						A
																					 
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span> 
																							
																						 
																					</span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							A
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
																
																
															
														
															
																
																	<!-- 单选 -->
																	<li class="question qt-singlechoice" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">11.</span><span class="question-type" style="display: none;">singlechoice</span><span>[单选题]</span><span class="question-point-content"><span>(</span><span class="question-point">3</span><span>分)</span></span><span class="question-id" style="display: none;">47e7b2fecd0e46529a0eb698c6d7cb99</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>假设你运作一个公司，并且你想开发学习算法来处理两个问题中的一个。

问题1：数据库中储存了许多客户信息，把他们分成不同的客户群，这样可以根据不同的客户群提供更合适的服务。
问题2：
希望软件检查客户的个人账户，并确定该账户是否被黑客袭击或者是缺乏保护的账户。
请问这两个问题是分类问题还是聚类问题？</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_47e7b2fecd0e46529a0eb698c6d7cb99" class="question-input"> -->
																						<span class="question-li-text">A: 
																								都是聚类问题
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_47e7b2fecd0e46529a0eb698c6d7cb99" class="question-input"> -->
																						<span class="question-li-text">B: 
																								问题1是聚类问题，问题2是分类问题
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_47e7b2fecd0e46529a0eb698c6d7cb99" class="question-input"> -->

																						<span class="question-li-text">C: 
																								问题1是分类问题，问题2是聚类问题
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_47e7b2fecd0e46529a0eb698c6d7cb99" class="question-input"> -->

																						<span class="question-li-text">D: 
																								都是分类问题
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span> <span class="answer_value">
																					
																						B
																					 
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span> 
																							
																						 
																					</span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							B
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
																
																
															
														
															
																
																	<!-- 单选 -->
																	<li class="question qt-singlechoice" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">12.</span><span class="question-type" style="display: none;">singlechoice</span><span>[单选题]</span><span class="question-point-content"><span>(</span><span class="question-point">3</span><span>分)</span></span><span class="question-id" style="display: none;">130368004c8947edb326d3f3d5a281bb</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>以下哪种情况会导致过拟合（高方差）</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_130368004c8947edb326d3f3d5a281bb" class="question-input"> -->
																						<span class="question-li-text">A: 
																								C较大（λ较小）的时候
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_130368004c8947edb326d3f3d5a281bb" class="question-input"> -->
																						<span class="question-li-text">B: 
																								C较小（λ较大）的时候
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_130368004c8947edb326d3f3d5a281bb" class="question-input"> -->

																						<span class="question-li-text">C: 
																								C为零的时候
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_130368004c8947edb326d3f3d5a281bb" class="question-input"> -->

																						<span class="question-li-text">D: 
																								以上都不对
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span> <span class="answer_value">
																					
																						A
																					 
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span> 
																							
																						 
																					</span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							A
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
																
																
															
														
															
																
																	<!-- 单选 -->
																	<li class="question qt-singlechoice" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">13.</span><span class="question-type" style="display: none;">singlechoice</span><span>[单选题]</span><span class="question-point-content"><span>(</span><span class="question-point">3</span><span>分)</span></span><span class="question-id" style="display: none;">0da154999d184961b5fe636cc221cb1a</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>若数据集，特征数较小（在1-1000之间），训练样本数大小中等（在10-10000之间），一般选择什么核函数的svm</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_0da154999d184961b5fe636cc221cb1a" class="question-input"> -->
																						<span class="question-li-text">A: 
																								逻辑回归模型
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_0da154999d184961b5fe636cc221cb1a" class="question-input"> -->
																						<span class="question-li-text">B: 
																								不带核的支持向量机
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_0da154999d184961b5fe636cc221cb1a" class="question-input"> -->

																						<span class="question-li-text">C: 
																								高斯核的支持向量机
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_0da154999d184961b5fe636cc221cb1a" class="question-input"> -->

																						<span class="question-li-text">D: 
																								多项式核的支持向量机
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span> <span class="answer_value">
																					
																						C
																					 
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span> 
																							
																						 
																					</span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							C
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
																
																
															
														
															
																
																	<!-- 单选 -->
																	<li class="question qt-singlechoice" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">14.</span><span class="question-type" style="display: none;">singlechoice</span><span>[单选题]</span><span class="question-point-content"><span>(</span><span class="question-point">3</span><span>分)</span></span><span class="question-id" style="display: none;">cc9a26bad7ba423a986e362880d25407</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>假设用高斯核训练一个SVM分类器，发现SVM欠拟合数据集。那么，应该增加或减少C?或者增加或减少σ?</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_cc9a26bad7ba423a986e362880d25407" class="question-input"> -->
																						<span class="question-li-text">A: 
																								应该增加C,或者增加σ.
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_cc9a26bad7ba423a986e362880d25407" class="question-input"> -->
																						<span class="question-li-text">B: 
																								应该减少C,或者减少σ.
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_cc9a26bad7ba423a986e362880d25407" class="question-input"> -->

																						<span class="question-li-text">C: 
																								应该增加C,减少σ.
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_cc9a26bad7ba423a986e362880d25407" class="question-input"> -->

																						<span class="question-li-text">D: 
																								应该减少C,增加σ.
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span> <span class="answer_value">
																					
																						C
																					 
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span> 
																							
																						 
																					</span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							C
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
																
																
															
														
															
																
																	<!-- 单选 -->
																	<li class="question qt-singlechoice" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">15.</span><span class="question-type" style="display: none;">singlechoice</span><span>[单选题]</span><span class="question-point-content"><span>(</span><span class="question-point">3</span><span>分)</span></span><span class="question-id" style="display: none;">db9ca69c1fce4d329d1cb140fa9d2aa3</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>A,B皆是3维向量,且A=(1,3,5)B=(-1,3,2) ,则A与B的点积为</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_db9ca69c1fce4d329d1cb140fa9d2aa3" class="question-input"> -->
																						<span class="question-li-text">A: 
																								20
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_db9ca69c1fce4d329d1cb140fa9d2aa3" class="question-input"> -->
																						<span class="question-li-text">B: 
																								18
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_db9ca69c1fce4d329d1cb140fa9d2aa3" class="question-input"> -->

																						<span class="question-li-text">C: 
																								13
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_db9ca69c1fce4d329d1cb140fa9d2aa3" class="question-input"> -->

																						<span class="question-li-text">D: 
																								15
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span> <span class="answer_value">
																					
																						B
																					 
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span> 
																							
																						 
																					</span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							B
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
																
																
															
														
															
																
																	<!-- 单选 -->
																	<li class="question qt-singlechoice" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">16.</span><span class="question-type" style="display: none;">singlechoice</span><span>[单选题]</span><span class="question-point-content"><span>(</span><span class="question-point">3</span><span>分)</span></span><span class="question-id" style="display: none;">b145d0ed10e14427af7645c7602bd0fd</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>若以数据样本，n为特征数，m为训练样本数，n在1-1000 之间，而m在10-10000 之间。以下解决方案中，正确的是</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_b145d0ed10e14427af7645c7602bd0fd" class="question-input"> -->
																						<span class="question-li-text">A: 
																								A.创造或增加更多的特征
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_b145d0ed10e14427af7645c7602bd0fd" class="question-input"> -->
																						<span class="question-li-text">B: 
																								B.创造或增加更多的特征后，使用逻辑回归模型
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_b145d0ed10e14427af7645c7602bd0fd" class="question-input"> -->

																						<span class="question-li-text">C: 
																								C.创造或增加更多的特征后，使用不带核函数的支持向量机
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_b145d0ed10e14427af7645c7602bd0fd" class="question-input"> -->

																						<span class="question-li-text">D: 
																								D.使用高斯核函数支持向量机
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span> <span class="answer_value">
																					
																						D
																					 
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span> 
																							
																						 
																					</span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							D
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
																
																
															
														
															
																
																	<!-- 单选 -->
																	<li class="question qt-singlechoice" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">17.</span><span class="question-type" style="display: none;">singlechoice</span><span>[单选题]</span><span class="question-point-content"><span>(</span><span class="question-point">3</span><span>分)</span></span><span class="question-id" style="display: none;">dc101f817f694d12b1c6eb9c35d1fd4b</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>若有一个函数f=3xz+4x+5z+6，求f对z的偏导</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_dc101f817f694d12b1c6eb9c35d1fd4b" class="question-input"> -->
																						<span class="question-li-text">A: 
																								3x+5
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_dc101f817f694d12b1c6eb9c35d1fd4b" class="question-input"> -->
																						<span class="question-li-text">B: 
																								3x+5+4x
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_dc101f817f694d12b1c6eb9c35d1fd4b" class="question-input"> -->

																						<span class="question-li-text">C: 
																								3x+5+4x+6
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_dc101f817f694d12b1c6eb9c35d1fd4b" class="question-input"> -->

																						<span class="question-li-text">D: 
																								3x
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span> <span class="answer_value">
																					
																						A
																					 
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span> 
																							
																						 
																					</span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							A
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
																
																
															
														
															
																
																	<!-- 单选 -->
																	<li class="question qt-singlechoice" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">18.</span><span class="question-type" style="display: none;">singlechoice</span><span>[单选题]</span><span class="question-point-content"><span>(</span><span class="question-point">3</span><span>分)</span></span><span class="question-id" style="display: none;">11b6e59e767449b49017bb5aff3c276d</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>SVM如果出现欠拟合（高偏差）的现象，则哪一个不是导致该结果的原因</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_11b6e59e767449b49017bb5aff3c276d" class="question-input"> -->
																						<span class="question-li-text">A: 
																								其他参数保持不变，C值较小
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_11b6e59e767449b49017bb5aff3c276d" class="question-input"> -->
																						<span class="question-li-text">B: 
																								其他参数保持不变，λ值较大
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_11b6e59e767449b49017bb5aff3c276d" class="question-input"> -->

																						<span class="question-li-text">C: 
																								其他参数保持不变，σ较大
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_11b6e59e767449b49017bb5aff3c276d" class="question-input"> -->

																						<span class="question-li-text">D: 
																								其他参数保持不变，σ较小
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span> <span class="answer_value">
																					
																						D
																					 
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span> 
																							
																						 
																					</span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							D
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
																
																
															
														
															
																
																	<!-- 单选 -->
																	<li class="question qt-singlechoice" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">19.</span><span class="question-type" style="display: none;">singlechoice</span><span>[单选题]</span><span class="question-point-content"><span>(</span><span class="question-point">3</span><span>分)</span></span><span class="question-id" style="display: none;">f87013d976fd4582994523db57b47c5c</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>SVM选择高斯核函数时，C较大时，容易导致</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_f87013d976fd4582994523db57b47c5c" class="question-input"> -->
																						<span class="question-li-text">A: 
																								A.低偏差，高方差
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_f87013d976fd4582994523db57b47c5c" class="question-input"> -->
																						<span class="question-li-text">B: 
																								B.低偏差，低方差
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_f87013d976fd4582994523db57b47c5c" class="question-input"> -->

																						<span class="question-li-text">C: 
																								C.高偏差，低方差
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_f87013d976fd4582994523db57b47c5c" class="question-input"> -->

																						<span class="question-li-text">D: 
																								D.高偏差，高方差
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span> <span class="answer_value">
																					
																						A
																					 
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span> 
																							
																						 
																					</span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							A
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
																
																
															
														
															
																
																	<!-- 单选 -->
																	<li class="question qt-singlechoice" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">20.</span><span class="question-type" style="display: none;">singlechoice</span><span>[单选题]</span><span class="question-point-content"><span>(</span><span class="question-point">3</span><span>分)</span></span><span class="question-id" style="display: none;">55c6d860425c40a7b5d59247ee2621a1</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>若使用高斯核训练SVM时出现欠拟合现象，应如何调整C和σ?</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_55c6d860425c40a7b5d59247ee2621a1" class="question-input"> -->
																						<span class="question-li-text">A: 
																								应该增加C,或者增加σ.
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_55c6d860425c40a7b5d59247ee2621a1" class="question-input"> -->
																						<span class="question-li-text">B: 
																								应该减少C,或者减少σ.
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_55c6d860425c40a7b5d59247ee2621a1" class="question-input"> -->

																						<span class="question-li-text">C: 
																								应该增加C,减少σ.
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_55c6d860425c40a7b5d59247ee2621a1" class="question-input"> -->

																						<span class="question-li-text">D: 
																								应该减少C,增加σ.
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span> <span class="answer_value">
																					
																						C
																					 
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span> 
																							
																						 
																					</span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							C
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
																
																
															
														
															
																
																
																	<!-- 多选 -->
																	<li class="question qt-multiplechoice" style="display: list-item;"><div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">21.</span> <span class="question-type" style="display: none;">multiplechoice</span>
																			<span>[多选题]</span> <span class="question-point-content"><span>(</span><span class="question-point">2</span><span>分)</span></span>
																			<span class="question-id" style="display: none;">69b892e43bcc4244ac399a9b628a1d5f</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>大数据：解决高方差/过拟合的方法是（）</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_69b892e43bcc4244ac399a9b628a1d5f" class="question-input"> -->
																						<span class="question-li-text">A: 
																								获得更多的训练实例
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_69b892e43bcc4244ac399a9b628a1d5f" class="question-input"> -->
																						<span class="question-li-text">B: 
																								尝试减少特征的数量
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_69b892e43bcc4244ac399a9b628a1d5f" class="question-input"> -->

																						<span class="question-li-text">C: 
																								尝试增加正则化程度λ
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_69b892e43bcc4244ac399a9b628a1d5f" class="question-input"> -->

																						<span class="question-li-text">D: 
																								尝试减少正则化程度λ
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span><span class="answer_value">ABC</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span></span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							ABC
																						
																						
																					
																				<br />
																			</div>
																		</div></li>
																
																
																
																
																
															
														
															
																
																
																	<!-- 多选 -->
																	<li class="question qt-multiplechoice" style="display: list-item;"><div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">22.</span> <span class="question-type" style="display: none;">multiplechoice</span>
																			<span>[多选题]</span> <span class="question-point-content"><span>(</span><span class="question-point">2</span><span>分)</span></span>
																			<span class="question-id" style="display: none;">538298f027d84c30b22e048b66b14c2e</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>下面有关正则化参数lamda，错误的说法有（）</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_538298f027d84c30b22e048b66b14c2e" class="question-input"> -->
																						<span class="question-li-text">A: 
																								当lamda较大时，训练集误差较小（过拟合）而交叉验证集误差较大
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_538298f027d84c30b22e048b66b14c2e" class="question-input"> -->
																						<span class="question-li-text">B: 
																								当lamda较小时，训练集误差较小（过拟合）而交叉验证集误差较大
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_538298f027d84c30b22e048b66b14c2e" class="question-input"> -->

																						<span class="question-li-text">C: 
																								正则化用来解决欠拟合问题
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_538298f027d84c30b22e048b66b14c2e" class="question-input"> -->

																						<span class="question-li-text">D: 
																								正则化可以解决过拟合问题与欠拟合问题
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span><span class="answer_value">ACD</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span></span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							ACD
																						
																						
																					
																				<br />
																			</div>
																		</div></li>
																
																
																
																
																
															
														
															
																
																
																	<!-- 多选 -->
																	<li class="question qt-multiplechoice" style="display: list-item;"><div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">23.</span> <span class="question-type" style="display: none;">multiplechoice</span>
																			<span>[多选题]</span> <span class="question-point-content"><span>(</span><span class="question-point">2</span><span>分)</span></span>
																			<span class="question-id" style="display: none;">420a6765ace74a81a8a05eddcd2aff0c</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>以下哪些场景适合使用SVM算法</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_420a6765ace74a81a8a05eddcd2aff0c" class="question-input"> -->
																						<span class="question-li-text">A: 
																								根据已有标签的图片数据，进行未知商品图片分类
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_420a6765ace74a81a8a05eddcd2aff0c" class="question-input"> -->
																						<span class="question-li-text">B: 
																								根据已知物种的DNA,对待测微生物种类进行判别
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_420a6765ace74a81a8a05eddcd2aff0c" class="question-input"> -->

																						<span class="question-li-text">C: 
																								基于用户的人口属性标签（包括性别、年龄、学历）建模，来对新增用户的人口属性进行判定
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_420a6765ace74a81a8a05eddcd2aff0c" class="question-input"> -->

																						<span class="question-li-text">D: 
																								通过大量移动设备用户的位置信息，为某连锁餐饮机构提供新店选址
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span><span class="answer_value">ABC</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span></span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							ABC
																						
																						
																					
																				<br />
																			</div>
																		</div></li>
																
																
																
																
																
															
														
															
																
																
																	<!-- 多选 -->
																	<li class="question qt-multiplechoice" style="display: list-item;"><div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">24.</span> <span class="question-type" style="display: none;">multiplechoice</span>
																			<span>[多选题]</span> <span class="question-point-content"><span>(</span><span class="question-point">2</span><span>分)</span></span>
																			<span class="question-id" style="display: none;">fff87cc2fd3346eab259edc553b87236</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>以下关于svm说法错误的是</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_fff87cc2fd3346eab259edc553b87236" class="question-input"> -->
																						<span class="question-li-text">A: 
																								支持向量机又称为最大间距分类器
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_fff87cc2fd3346eab259edc553b87236" class="question-input"> -->
																						<span class="question-li-text">B: 
																								如果使用一对多的方式训练多分类支持向量机，则不可能用到核函数
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_fff87cc2fd3346eab259edc553b87236" class="question-input"> -->

																						<span class="question-li-text">C: 
																								高斯核函数的取值范围是(0,1）
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_fff87cc2fd3346eab259edc553b87236" class="question-input"> -->

																						<span class="question-li-text">D: 
																								如果数据是线性可分的，SVM使用线性核，无论C如何选择，都将会返回一个相同的参数θ（即θ的结果不依赖于C的值）
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span><span class="answer_value">BCD</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span></span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							BCD
																						
																						
																					
																				<br />
																			</div>
																		</div></li>
																
																
																
																
																
															
														
															
																
																
																	<!-- 多选 -->
																	<li class="question qt-multiplechoice" style="display: list-item;"><div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">25.</span> <span class="question-type" style="display: none;">multiplechoice</span>
																			<span>[多选题]</span> <span class="question-point-content"><span>(</span><span class="question-point">2</span><span>分)</span></span>
																			<span class="question-id" style="display: none;">6fec6f5dd7f14b41ad24d69e816543ee</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>在支持向量机中，参数的选取会影响拟合的结果，如果出现欠拟合（高偏差）的现象，则导致该结果的原因有可能是</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_6fec6f5dd7f14b41ad24d69e816543ee" class="question-input"> -->
																						<span class="question-li-text">A: 
																								其他参数保持不变，C值较小
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_6fec6f5dd7f14b41ad24d69e816543ee" class="question-input"> -->
																						<span class="question-li-text">B: 
																								其他参数保持不变，λ值较大
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_6fec6f5dd7f14b41ad24d69e816543ee" class="question-input"> -->

																						<span class="question-li-text">C: 
																								其他参数保持不变，σ较大
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_6fec6f5dd7f14b41ad24d69e816543ee" class="question-input"> -->

																						<span class="question-li-text">D: 
																								其他参数保持不变，σ较小
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span><span class="answer_value">ABC</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span></span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							ABC
																						
																						
																					
																				<br />
																			</div>
																		</div></li>
																
																
																
																
																
															
														
															
																
																
																	<!-- 多选 -->
																	<li class="question qt-multiplechoice" style="display: list-item;"><div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">26.</span> <span class="question-type" style="display: none;">multiplechoice</span>
																			<span>[多选题]</span> <span class="question-point-content"><span>(</span><span class="question-point">2</span><span>分)</span></span>
																			<span class="question-id" style="display: none;">ff04321ef63342de8d1e05a5655b42a2</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>若使用SVM过程中出现欠拟合的现象，则下面哪些可能是导致该结果的原因</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_ff04321ef63342de8d1e05a5655b42a2" class="question-input"> -->
																						<span class="question-li-text">A: 
																								其他参数保持不变，C值较小
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_ff04321ef63342de8d1e05a5655b42a2" class="question-input"> -->
																						<span class="question-li-text">B: 
																								其他参数保持不变，λ值较大
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_ff04321ef63342de8d1e05a5655b42a2" class="question-input"> -->

																						<span class="question-li-text">C: 
																								其他参数保持不变，σ较大
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_ff04321ef63342de8d1e05a5655b42a2" class="question-input"> -->

																						<span class="question-li-text">D: 
																								其他参数保持不变，σ较小
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span><span class="answer_value">ABC</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span></span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							ABC
																						
																						
																					
																				<br />
																			</div>
																		</div></li>
																
																
																
																
																
															
														
															
																
																
																	<!-- 多选 -->
																	<li class="question qt-multiplechoice" style="display: list-item;"><div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">27.</span> <span class="question-type" style="display: none;">multiplechoice</span>
																			<span>[多选题]</span> <span class="question-point-content"><span>(</span><span class="question-point">2</span><span>分)</span></span>
																			<span class="question-id" style="display: none;">3c4fb408532d4d109d0aab64e5c79857</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>SVM中，若样本数m小于特征数n时，即训练集数据量不够支持训练一个复杂的非线性模型，这时选用()</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_3c4fb408532d4d109d0aab64e5c79857" class="question-input"> -->
																						<span class="question-li-text">A: 
																								逻辑回归模型
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_3c4fb408532d4d109d0aab64e5c79857" class="question-input"> -->
																						<span class="question-li-text">B: 
																								不带核的支持向量机
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_3c4fb408532d4d109d0aab64e5c79857" class="question-input"> -->

																						<span class="question-li-text">C: 
																								高斯核的支持向量机
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_3c4fb408532d4d109d0aab64e5c79857" class="question-input"> -->

																						<span class="question-li-text">D: 
																								多项式核的支持向量机
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span><span class="answer_value">AB</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span></span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							AB
																						
																						
																					
																				<br />
																			</div>
																		</div></li>
																
																
																
																
																
															
														
															
																
																
																	<!-- 多选 -->
																	<li class="question qt-multiplechoice" style="display: list-item;"><div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">28.</span> <span class="question-type" style="display: none;">multiplechoice</span>
																			<span>[多选题]</span> <span class="question-point-content"><span>(</span><span class="question-point">2</span><span>分)</span></span>
																			<span class="question-id" style="display: none;">7d509ebc65a94806946922f4f06ba458</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>SVM采用高斯核函数时，若C较小，容易发生以下哪些现象</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_7d509ebc65a94806946922f4f06ba458" class="question-input"> -->
																						<span class="question-li-text">A: 
																								A.欠拟合
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_7d509ebc65a94806946922f4f06ba458" class="question-input"> -->
																						<span class="question-li-text">B: 
																								B.低偏差，高方差
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_7d509ebc65a94806946922f4f06ba458" class="question-input"> -->

																						<span class="question-li-text">C: 
																								C.高偏差，低方差
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_7d509ebc65a94806946922f4f06ba458" class="question-input"> -->

																						<span class="question-li-text">D: 
																								D.过拟合
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span><span class="answer_value">AC</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span></span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							AC
																						
																						
																					
																				<br />
																			</div>
																		</div></li>
																
																
																
																
																
															
														
															
																
																
																	<!-- 多选 -->
																	<li class="question qt-multiplechoice" style="display: list-item;"><div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">29.</span> <span class="question-type" style="display: none;">multiplechoice</span>
																			<span>[多选题]</span> <span class="question-point-content"><span>(</span><span class="question-point">2</span><span>分)</span></span>
																			<span class="question-id" style="display: none;">60d40a34dcd34adda476ec5a22afbee4</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>下列有关SVM的描述，正确的是</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_60d40a34dcd34adda476ec5a22afbee4" class="question-input"> -->
																						<span class="question-li-text">A: 
																								如果使用一对多的方式训练多分类支持向量机，则不可能用到核函数
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_60d40a34dcd34adda476ec5a22afbee4" class="question-input"> -->
																						<span class="question-li-text">B: 
																								高斯核的最大值为1
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_60d40a34dcd34adda476ec5a22afbee4" class="question-input"> -->

																						<span class="question-li-text">C: 
																								如果数据是线性可分的，SVM使用线性核，无论C如何选择，都将会返回一个相同的参数θ（即θ的结果不依赖于C的值）
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_60d40a34dcd34adda476ec5a22afbee4" class="question-input"> -->

																						<span class="question-li-text">D: 
																								假设输入参数是二维（x(i)∈R2），则支持向量机（线性核）的决策边界是一条直线
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span><span class="answer_value">BD</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span></span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							BD
																						
																						
																					
																				<br />
																			</div>
																		</div></li>
																
																
																
																
																
															
														
															
																
																
																	<!-- 多选 -->
																	<li class="question qt-multiplechoice" style="display: list-item;"><div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">30.</span> <span class="question-type" style="display: none;">multiplechoice</span>
																			<span>[多选题]</span> <span class="question-point-content"><span>(</span><span class="question-point">2</span><span>分)</span></span>
																			<span class="question-id" style="display: none;">027d7a17e29f42aabe70c0c682ce8ba2</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>哪些属于核函数</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_027d7a17e29f42aabe70c0c682ce8ba2" class="question-input"> -->
																						<span class="question-li-text">A: 
																								线性核
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_027d7a17e29f42aabe70c0c682ce8ba2" class="question-input"> -->
																						<span class="question-li-text">B: 
																								多项式核
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_027d7a17e29f42aabe70c0c682ce8ba2" class="question-input"> -->

																						<span class="question-li-text">C: 
																								高斯核
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_027d7a17e29f42aabe70c0c682ce8ba2" class="question-input"> -->

																						<span class="question-li-text">D: 
																								sigmoid核
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span><span class="answer_value">ABCD</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span></span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							ABCD
																						
																						
																					
																				<br />
																			</div>
																		</div></li>
																
																
																
																
																
															
														
															
																
																
																
																	<!-- 判断 -->
																	<li class="question qt-trueorfalse" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">31.</span><span class="question-type" style="display: none;">trueorfalse</span>
																			<span>[判断题]</span> <span class="question-point-content"><span>(</span><span class="question-point">2</span><span>分)</span></span><span class="question-id" style="display: none;">208cba99c82c4eb4b3b76537d12d33e3</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>大数据：神经网络中的基本成分是神经元模型</pre>
																				
																				
																			<p></p>

																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span><span class="answer_value">
																					
																						对
																						
																					
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span></span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							
																								对
																								
																							
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
															
														
															
																
																
																
																	<!-- 判断 -->
																	<li class="question qt-trueorfalse" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">32.</span><span class="question-type" style="display: none;">trueorfalse</span>
																			<span>[判断题]</span> <span class="question-point-content"><span>(</span><span class="question-point">2</span><span>分)</span></span><span class="question-id" style="display: none;">5a8369cb655c4eab9ec3897f01feaa43</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>大数据：通常选择较大的神经网络并采用正则化处理，会比采用较小的神经网络效果要好</pre>
																				
																				
																			<p></p>

																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span><span class="answer_value">
																					
																						对
																						
																					
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span></span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							
																								对
																								
																							
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
															
														
															
																
																
																
																	<!-- 判断 -->
																	<li class="question qt-trueorfalse" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">33.</span><span class="question-type" style="display: none;">trueorfalse</span>
																			<span>[判断题]</span> <span class="question-point-content"><span>(</span><span class="question-point">2</span><span>分)</span></span><span class="question-id" style="display: none;">214b9a49d37b4d14a9ced350456c474f</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>人工神经网络算法模拟生物神经网络，是一种模式匹配算法。</pre>
																				
																				
																			<p></p>

																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span><span class="answer_value">
																					
																						对
																						
																					
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span></span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							
																								对
																								
																							
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
															
														
															
																
																
																
																	<!-- 判断 -->
																	<li class="question qt-trueorfalse" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">34.</span><span class="question-type" style="display: none;">trueorfalse</span>
																			<span>[判断题]</span> <span class="question-point-content"><span>(</span><span class="question-point">2</span><span>分)</span></span><span class="question-id" style="display: none;">f07b283f2d824bf1898e431bd68e5316</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>人工神经网络通常用于解决分类和回归问题</pre>
																				
																				
																			<p></p>

																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span><span class="answer_value">
																					
																						对
																						
																					
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span></span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							
																								对
																								
																							
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
															
														
															
																
																
																
																	<!-- 判断 -->
																	<li class="question qt-trueorfalse" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">35.</span><span class="question-type" style="display: none;">trueorfalse</span>
																			<span>[判断题]</span> <span class="question-point-content"><span>(</span><span class="question-point">2</span><span>分)</span></span><span class="question-id" style="display: none;">831760fe78214f0481d0e6dc3c6b7f5c</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>支持向量机不仅可以用于分类问题，也可以用于回归问题</pre>
																				
																				
																			<p></p>

																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span><span class="answer_value">
																					
																						对
																						
																					
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span></span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							
																								对
																								
																							
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
															
														
															
																
																
																
																	<!-- 判断 -->
																	<li class="question qt-trueorfalse" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">36.</span><span class="question-type" style="display: none;">trueorfalse</span>
																			<span>[判断题]</span> <span class="question-point-content"><span>(</span><span class="question-point">2</span><span>分)</span></span><span class="question-id" style="display: none;">c9a3ea1d0e264ec7b17087aea176f262</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>采用核函数后，支持向量机可以用于非线性分类</pre>
																				
																				
																			<p></p>

																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span><span class="answer_value">
																					
																						对
																						
																					
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span></span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							
																								对
																								
																							
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
															
														
															
																
																
																
																	<!-- 判断 -->
																	<li class="question qt-trueorfalse" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">37.</span><span class="question-type" style="display: none;">trueorfalse</span>
																			<span>[判断题]</span> <span class="question-point-content"><span>(</span><span class="question-point">2</span><span>分)</span></span><span class="question-id" style="display: none;">41abb6007d244a6792f82127d5b93b56</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>支持向量机即能做线性分类也能做非线性分类</pre>
																				
																				
																			<p></p>

																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span><span class="answer_value">
																					
																						对
																						
																					
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span></span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							
																								对
																								
																							
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
															
														
															
																
																
																
																	<!-- 判断 -->
																	<li class="question qt-trueorfalse" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">38.</span><span class="question-type" style="display: none;">trueorfalse</span>
																			<span>[判断题]</span> <span class="question-point-content"><span>(</span><span class="question-point">2</span><span>分)</span></span><span class="question-id" style="display: none;">e5bc5d7059d74c49a3bbd08bdf9224b8</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>支持向量机采用核函数后，可用于非线性分类问题</pre>
																				
																				
																			<p></p>

																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span><span class="answer_value">
																					
																						对
																						
																					
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span></span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							
																								对
																								
																							
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
															
														
															
																
																
																
																	<!-- 判断 -->
																	<li class="question qt-trueorfalse" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">39.</span><span class="question-type" style="display: none;">trueorfalse</span>
																			<span>[判断题]</span> <span class="question-point-content"><span>(</span><span class="question-point">2</span><span>分)</span></span><span class="question-id" style="display: none;">3324eeb8710d43c086da6506d8b23005</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>支持向量机中，核函数的选择不恰当，则意味着将样本映射到了一个不适合的特征空间</pre>
																				
																				
																			<p></p>

																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span><span class="answer_value">
																					
																						对
																						
																					
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span></span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							
																								对
																								
																							
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
															
														
															
																
																
																
																	<!-- 判断 -->
																	<li class="question qt-trueorfalse" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">40.</span><span class="question-type" style="display: none;">trueorfalse</span>
																			<span>[判断题]</span> <span class="question-point-content"><span>(</span><span class="question-point">2</span><span>分)</span></span><span class="question-id" style="display: none;">7616e34288c34c3da80487d5564ca677</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>分类间隔最大化，让支持向量机具有较好的鲁棒性</pre>
																				
																				
																			<p></p>

																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span><span class="answer_value">
																					
																						对
																						
																					
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span></span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							
																								对
																								
																							
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
															
														
													</ul>
												</div>
											</div>
										</form>
									</td>
								</tr>
							</tbody>
						</table>
					</div>
				</div>
			</div>
		</div>

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